9) Give the correct form of words
27. It was an _____________remark . It would have been better to keep silent
NECESSITY
28. David Copperfield is a famous ______________________.
MAGIC
29. Jack and Linda want to visit an _________institute in Viet Nam
OCEAN
30. ______________________, the poem was written in English.
ORIGIN
Give the correct form of verbs
31. There used (be) ……………….…… a bookstore near my school,